The second dissemination event of the Horizon Europe project CaLby2030 was held in conjunction with the IEAGHG 10th High-Temperature Solid Looping Cycles Network (HTSLCN) Meeting in Luleå, Sweden, hosted by SWERIM. The first day (17 March 2026) was dedicated to topics related to the HTSLCN network, while the second day (18 March 2026) centred on presentations and activities associated with the CaLby2030 project, including a site visit to SWERIM’s CaL-CFB pilot plant. This record focuses on the second day of the event, and includes: Press Release of the 10th HTSLCN + CaLby2030 2nd Dissemination event Agenda of the 10th HTSLCN + CaLby2030 2nd Dissemination event Report of CaLby2030 2nd Dissemination event Slides of CaLby2030 2nd Dissemination event Joint report of the 10th HTSLCN + CaLby2030 2nd Dissemination event